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Brass allows an electrical current to pass through it easily.

# Electricity - Static Electricity

This Physics quiz is called 'Electricity - Static Electricity' and it has been written by teachers to help you if you are studying the subject at senior high school. Playing educational quizzes is one of the most efficienct ways to learn if you are in the 11th or 12th grade - aged 16 to 18.

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Have you ever been 'zapped' as you get out of a car or touched metal shelving in a shop with carpeting on the floor? Have you ever rubbed a balloon on your clothing and stuck it to a wall? Have you ever watched lighning during a storm? If you have, then you have experienced static electricity in action!

1.
What type of charge does the material losing electrons have?
Positive
Negative
No charge
Both positive and negative
Since the object was electrically neutral beforehand, losing negative charge will mean that it ends up with a positive charge
2.
If two negatively charged materials are brought in close proximity to one another, what force do they exert on each other?
Attractive
Repulsive
Strong nuclear
Magnetic
Charges of the same type repel
3.
What is 'rubbed' off one material and onto the other?
Neutrons
Protons
Electrons
Dirt
These collect on the surface of the negatively charged object
4.
If two polystyrene rods are rubbed with a duster and gain electrons, how will the rods react to one another when they are brought close together?
Repel
Attract
Merge into a super rod
Melt
They both gain electrons so must be negatively charged - two objects with the same electrosatatic charge will repel each other
5.
If one positively charged material and one negatively charged material are brought in close proximity to one another, what force do they exert on each other?
Strong nuclear
Magnetic
Repulsive
Attractive
Two materials which have different types of electrical charge will always attract one another
6.
If two positively charged materials are brought in close proximity to one another, what force do they exert on each other?
Attractive
Repulsive
Strong nuclear
Magnetic
Repulsion works with positive charges the same as it does with negative charges
7.
What do certain insulating materials become when they are rubbed against each other?
Electrically charged
Friends
Electrically neutral
Nothing
One becomes positively charged and the other becomes negatively charged by the same amount
8.
Which material from the list below allows an electrical current to pass through it easily?
Brass
Polystyrene
Card
Porcelain
Metals allow electrical currents to pass through them easily due to the high number of free electrons within the material
9.
What type of charge does the material gaining electrons have?
Positive
Negative
No charge
Both positive and negative
A material that gains electrons will always become negatively charged as the electrons themselves are negatively charged
10.
If two charged materials are brought close together, what do they exert on each other?
A force
Ultra sonic waves
Heat
We talk of this as being an electrostatic force
Author:  Martin Moore